RELENG_7 jails on current host

[Mel Flynn]

On Thursday 16 April 2009 20:46:12 Julian Elischer wrote:
> Mel Flynn wrote:
> > Hi,
> >
> > I'm looking for some confirmation/caveats for using a -current host and
> > RELENG_7 jails. Mostly I'm wondering whether -current is in good enough
> > shape to host RELENG_7 jails. What I'm trying to accomplish is to have
> > the machine that currently builds packages for -stable machines as well
> > as hosting a number of services (low volume httpd/irc/imap/smtp), can be
> > upgraded to current without significant modification to the jails. The
> > only modification I expect to be making is fake uname output and set
> > certain port related variables for the -stable build server.
> >
> > The reason I'm wanting to do this is because I'm happily running current
> > on my work laptop but building ports interferes too much. I figured
> > building ports in a -current jail on a -stable host would not work very
> > well, but I'll happily be corrected on that if that's no problem.
> >
> > Jails have been built as per jail(8) manpage, not using ezjail. Nullfs
> > mounts exist to share binaries and trees like /usr/ports.
>
> should work but you may need to have current versions of:
> netstat, ifconfig, ps, top and new versions of the libraries they
> want, or, as I sometimes do, copies of those from /rescue.

I don't actually share host binaries. I have a template RELENG_7 jail where 
installworld occurs, then share those binaries across stable jails. Does the 
above still apply? Meaning, I need to copy -current version of the above into 
the RELENG_7 template jail, including libc.so.8 and friends?
-- 
Mel